Cita APA (7a ed.)

Snedecor, G. w., & Cochran, W. G. (1967). Statistical methods (6th edition.). Iowa State University.

Cita Chicago Style (17a ed.)

Snedecor, George w., y William G. Cochran. Statistical Methods. 6th edition. Ames: Iowa State University, 1967.

Cita MLA (8a ed.)

Snedecor, George w., y William G. Cochran. Statistical Methods. 6th edition. Iowa State University, 1967.